20851894

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{87613}}^1$

素因数の和:87639

約数の個数: 16

約数和(自身を含む): 37849248

約数和(自身を除く): 16997354

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 87613, 175226, 613291, 1226582, 1489421, 2978842, 10425947, 20851894]

約数ペア:

[(1, 20851894), (2, 10425947), (7, 2978842), (14, 1489421), (17, 1226582), (34, 613291), (119, 175226), (238, 87613)]